Results 161 to 170 of about 15,014 (299)

Guiding and Manipulating Light Fields in Microstructured Liquid Crystals

Advanced Physics Research, EarlyView.
This review summarizes recent advances in guided‐wave optics enabled by microstructured liquid crystal (LC) devices, covering their fundamental material properties, key degree of freedom for dynamic light field manipulations. The advances of linear guided‐wave optics, nonlinear‐optics with spatial optical solitons, and microlasers in LC‐based devices ...
Shan‐shan Chang, Yong‐shuai Li, Jin‐hui Chen   +2 more
wiley   +1 more source

Room-Temperature Continuous-Wave Operation of a Tunable External Cavity Quantum Cascade Laser

, 2011
A room-temperature cw operation of a tunable external cavity (EC) quantum cascade laser (QCL) at an emitting wavelength of 4.6 mu m is presented. Strain-compensation combined with two-phonon resonance in an active region design promises low threshold ...
Yin W, Liu JQ, Zhang JC, Wang LJ, Liu WF, Wang ZG, Zhang, JC (reprint author), Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China, ljwang@semi.ac.cn, Li L, Liu FQ   +8 more
core  

Optical gain reduction caused by nonrelevant subbands in narrow-period terahertz quantum cascade laser designs. [PDF]

Sci Rep, 2022
Wang L, Lin TT, Wang K, Hirayama H.
europepmc   +1 more source

Nanomaterial‐based immune therapeutic strategies in neurodegenerative diseases

BMEMat, EarlyView.
This review highlights the immunomodulatory potential of nanomaterials (NMs) in treating neurodegenerative diseases (NDs). It focuses on their roles in regulating innate and adaptive immune responses to maintain immune homeostasis. By providing insights into these mechanisms, the review lays the groundwork for innovative NMs therapeutic strategies to ...
Xinru Zhou, Jia Liu, Shulin Lai, Suhan Yin, Bingmin Luo, Longquan Shao, Yiyuan Kang   +6 more
wiley   +1 more source

Correlation of structural and optical investigation of InGaAs/InAlAs quantum cascade laser

, 2003
Double X-ray diffraction has been used to investigate InGaAs/InAlAs quantum cascade (QC) laser grown on InP substrate by molecule beam epitaxy, by means of which, excellent lattice matching, the interface smoothness, the uniformity of the thickness and ...
Li CM, Li CM,Chinese Acad Sci,Inst Semicond,Key Lab Semicond Mat Sci,POB 912,Beijing 100083,Peoples R China., Zhang ZY, Jin P, Wang ZG, Liu FQ, Meng XQ   +6 more
core  

Stable single-mode operation of distributed feedback quantum cascade laser under high current via a grating reflector. [PDF]

Nanophotonics, 2023
Ye F, Cheng F, Jia Z, Zhang J, Zhuo N, Liu F, Zheng Y, Shi Y.   +7 more
europepmc   +1 more source

Real‐time biosensing of Parkinson's disease biomarkers via NIR‐activated upconversion nanoparticles

BMEMat, EarlyView.
Schematic illustration of the luminescence resonance energy transfer‐driven core‐shell‐shell UCNPs (cssUCNPs@Fluo4) nanoprobe for simultaneous monitoring of Ca²⁺‐temperature dynamics in Parkinson's disease models. Abstract Parkinson's disease (PD) is a progressive neurodegenerative disorder with incompletely understood pathophysiology, necessitating ...
Jialin Liu, Nan Li, Yu Chen, Rui Pu, Wei Wei, Yunqi Lin, Lejing Li, Yao Lu, Jianhua Hao, Lihua Li   +9 more
wiley   +1 more source

Femtosecond pulses from a mid-infrared quantum cascade laser. [PDF]

Nat Photonics, 2021
Täschler P, Bertrand M, Schneider B, Singleton M, Jouy P, Kapsalidis F, Beck M, Faist J.   +7 more
europepmc   +1 more source

Atomically precise metal cluster enzymes for pathological tissue regeneration

BMEMat, EarlyView.
Schematic illustration of atomically precise metal cluster enzymes (MCEs) for pathological tissue regeneration. Atomically precise MCEs can modulate biological processes, such as attenuation of inflammatory responses, eradication of bacterial pathogens, regulation of angiogenesis, and promotion of cell development.
Ziqiang Xiong, Zhifeng Shi, Mengqing Li, Jien Han, Haoyan Chen, Maofei Ran, Shaojian Zhong, Limin Ma, Chengyun Ning, Youzhun Fan, Zhenghua Tang, Peng Yu   +11 more
wiley   +1 more source

Quantum walk comb in a dual waveguide quantum cascade laser. [PDF]

Nat Commun
Cargioli A, Montesinos Ballester M, Gantner S, Gini E, Beck M, Faist J.   +5 more
europepmc   +1 more source